FEFELightup Solar String Lights 20ft 30 LED Water Drop Lights (Multi-color) Waterproof Auto-Charge LIGHT UP your home decoration and business promotion such as Celebrate Party, Christmas, Wedding, New Year, Birthday and special holidaysGreat Ideal for Home, Garden, Backdrop, Windows Decoraction Environment Friendly---Self-Charge Solar Batteries,Full Charge (with Power On )5-6 hours,work 6-8 Hours Romantic Effects--- This Water Drop string lights provides Romantic effects with 20ft and 30 LED (MUTLI Color) EASY USE---2 switches,one is Mode (2 Modes: Steady & Flashing), another is Power On/Off. WATERPROOF--- This solar string lights can be use to indoor and outdoor